Exercises
Teacher's Guide
What's a Glacier?
Answers: Amazing Maze
* Yes, an ice sheet is bigger than an ice cap.
* No, an cirque is a bowl or basin carved out of a mountain by a glacier.
* Yes, ice in warm glaciers is always near the melting point.
* No, ice in cold glaciers does not erode a lot.
Where Have Glaciers Been?
Answers: Connect the Related Words
U-Shaped Valley
glacier
silt
fjords
V-Shaped Valley
river
Grand Canyon
Glacier Anatomy
Answers: Matching
accumulation zone - B
ablation zone - D
tributary - A
moraine - C
terminus - E
Strange Glacial Phenomena
Answers: Crossword Puzzle
Down Across
1. Jokulhlaups 1. moulins
2. ice sizzle 2. fossils
3. ice worms
What are Crevasses?
Answers: Word Scramble - Types of Crevasses
1. bergschrund
2. radial
3. transverse
4. longitudinal
Glacier Danger & Safety
Answers : Dress Your Friend for His/Her Hiking Adventure
The right items are:
crampons
jacket
rope
gloves
experienced traveler
boots
How Do Glaciers Form?
Answers: Circle the Facts
1. Firn: A, C, D
2. Snowflake(s): A, C, D
3. Snow on a glacier: B, C
How Do Glaciers Move?
Answers: Connect the Words with Definitions
Ablation zone
losing snow
output zone
Accumulation zone
adding snow
input zone
Equilibrium line
balanced glacier scale
Terminus
lowest end of a glacier
snout of a glacier
Calving
ice breaking off
icebergs
Moraine
medial
toe hold
rock
Calving
Answers: Circle the Calving Glacier
A, C, D
Why is Glacier Ice Blue?
Answers: Blue Ice
1. A, C
2. It is compacted
Its structure is different
It's not frozen water or snow
It contains dirt, gravel, and even organic matter
Its air bubbles are pressurized
Why Do Scientists Study Glaciers?
Answers: Why Study?
1. A, B, D, F
2. If human influence causes the greenhouse effect, that may delay the natural planetary cycle of ice ages and cause a period of global warming
3. A. True
B. False
C. True
D. False
E. False
4. Because Synthetic Aperture Radar (SAR) can "see" through clouds and darkness which usually obscure the Alaskan coastal mountains.
